708 responses from 177 respondents to 4 items.
One of 5 tables from the same source; this one measures Self-rated English skill (linguistic self-confidence). The others are listed under Related tables.
| Description | Self-rated English skill (speaking, listening, reading, writing), 4 items, 0-5; N = 177 Japanese university students of English; cov_gender, cov_age. |
|---|---|
| Reference | Leis, A. (2025). Confidence and Motivation in University EFL Classrooms [Data set]. Harvard Dataverse. https://doi.org/10.7910/DVN/ZCKGGC |
| Licence | CC0 1.0 |
| Source data | https://doi.org/10.7910/DVN/ZCKGGC |
| Responses | 708 |
|---|---|
| Respondents | 177 |
| Items | 4 |
| Response categories | 6 |
| Responses per respondent | 4 |
| Responses per item | 177 |
| Density | 1 |
| Longitudinal | FALSE |
| age range | Adult (18+) |
|---|---|
| sample | Educational, General/non-specific |
| construct type | Cognitive/educational |
| measurement tool | Survey/questionnaire |
| item format | Likert Scale/selected response |
| primary language(s) | jpn |
| construct name | Self-rated English skill (linguistic self-confidence) |
This codebook is reconstructed by the IRW from the IRW data standard. It is our best reading, not the source’s own codebook, and it may contain mistakes. Where the two disagree, the source data are the authority. If you find an error, please tell us.
| Column | What it is | Source column |
|---|---|---|
| IRW standard columns | ||
id | IRW standard Identifier for the focal unit being measured — typically a person, but sometimes another entity (e.g., a word in a lexical task). | not traced |
item | IRW standard Item identifier. | not traced |
resp | IRW standard Response value. | not traced |
| Respondent covariates | ||
cov_age | Covariate | not traced |
cov_gender | Covariate | not traced |
What item codes and covariate values stand for is in the codebook released with the source data.
Or load it directly in R or Python (both need a free Redivis account; the first call opens a browser to sign in):
# R
install.packages("remotes")
remotes::install_github("itemresponsewarehouse/Rpkg")
library(irw)
df <- irw_fetch("leis_2025_efl_skill_rating")
# Python
pip install irw
import irw
df = irw.fetch("leis_2025_efl_skill_rating")
@misc{https://doi.org/10.7910/dvn/zckggc,
doi = {10.7910/DVN/ZCKGGC},
url = {https://dataverse.harvard.edu/citation?persistentId=doi:10.7910/DVN/ZCKGGC},
author = {Leis, Adrian},
keywords = {Other},
title = {Confidence and Motivation in University EFL Classrooms},
publisher = {Harvard Dataverse},
year = {2025}
}
| IRW version | v584 |
|---|---|
| Redivis dataset | item_response_warehouse_5 v8.5 |
| Redivis dataset DOI | 10.57761/41xy-5k56 |
| Manifest pin for this IRW version | v8.5 |
| Metadata source | irw_meta v44.0 |